Boron-doped diamond electrocatalytic oxidation small-scale test device
By designing a pilot-scale device for the electrocatalytic oxidation of boron-doped diamond, integrating the power supply and stirrer into one unit, the problems of large size and heavy weight of existing equipment are solved, achieving miniaturization and portability, and meeting the functional requirements of the pilot-scale device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUNAN BOROMOND EPT CO LTD
- Filing Date
- 2025-05-14
- Publication Date
- 2026-04-21
AI Technical Summary
Existing electrochemical equipment for treating organic industrial wastewater has drawbacks such as large size, heavy weight, and difficulty in portability, making it difficult to meet the needs of small-scale pilot plants.
A pilot-scale device for the electrocatalytic oxidation of boron-doped diamond was designed. It adopts an integrated structure, which integrates the boron-doped diamond beaker module, power supply and stirrer into one unit. It features small size, light weight and easy portability.
It achieves miniaturization and portability, meets the functional requirements of pilot-scale devices, and also has the advantages of low cost and no secondary pollution of electrochemical oxidation methods.
Smart Images
Figure CN224147800U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of organic wastewater treatment technology, and in particular to a pilot-scale device for boron-doped diamond electrocatalytic oxidation. Background Technology
[0002] Industrial wastewater treatment is a critical issue concerning both environmental protection and economic development. Traditional wastewater treatment methods include physical, chemical, and biological degradation methods, such as sedimentation, settling, flotation, fermentation, pH adjustment, and lime addition. Electrochemical oxidation, as a new technology, offers advantages such as low cost, small footprint, no need for large amounts of reagents, convenient sludge treatment, no secondary pollution, good environmental compatibility, mild reaction conditions, and ease of automation. Therefore, it is a promising organic industrial wastewater treatment technology with broad application prospects.
[0003] Electrochemical methods are used to treat organic industrial wastewater, but current equipment of this type has disadvantages such as large size, heavy weight, and difficulty in portability, which does not meet the characteristics of pilot-scale devices. Utility Model Content
[0004] In view of the above-mentioned problems in the prior art, this utility model provides a pilot-scale device for the electrocatalytic oxidation of boron-doped diamond to solve the problems existing in the background art.
[0005] To achieve the above-mentioned objectives, the technical solution adopted by this utility model is as follows:
[0006] A pilot-scale device for the electrocatalytic oxidation of boron-doped diamond includes a chassis. A power display panel is embedded in the front wall of the chassis, and the power display panel is equipped with a current adjustment knob, a voltage adjustment knob, and a power output button. A junction box is embedded in the rear wall of the chassis, and a positive and negative terminal are embedded in the front wall of the junction box. A stirring tank is located at the corner of the right front end of the chassis. A magnetic stirrer is installed inside the stirring tank, and a beaker is placed on top of the magnetic stirrer. A boron-doped diamond electrode module is placed on top of the beaker. The assembly is equipped with an anode terminal and a cathode terminal. One end of the positive terminal is connected to the positive terminal of an external power source via a wire, and the other end is connected to the positive input terminal of the power display board via a wire. The positive output terminal of the power display board is connected to the anode terminal via a wire. One end of the negative terminal is connected to the negative terminal of an external power source via a wire, and the other end is connected to the negative input terminal of the power display board via a wire. The negative output terminal of the power display board is connected to the cathode terminal via a wire. The top of the boron-doped diamond electrode module is equipped with a sampling port and an exhaust port.
[0007] In one embodiment, the boron-doped diamond electrode module includes a base that covers the upper end of the beaker. The base has an electrode module base plate mounting hole, a sampling port, and an exhaust port. An electrode module base plate is embedded in the mounting hole. Three cathode plates and two anode plates are vertically arranged below the electrode module base plate, with the cathode and anode plates alternating. Connecting plates are provided at both ends of the top of the three cathode plates. Two connecting plates are simultaneously connected to the top of the three cathode plates, and gaps are provided between the two connecting plates and the anode plates. Cathode terminals are provided at the top of the two connecting plates, and the upper ends of the two cathode terminals extend upward through the electrode module base plate.
[0008] Three fixing plates are provided on the electrode module base plate located between the two cathode terminals. The upper ends of the two anode plates extend upward through the electrode module base plate and are clamped between two adjacent fixing plates at intervals. The anode wiring hole is provided on the top of the middle fixing plate.
[0009] The lower ends of the three cathode plates and the two anode plates are fixed together by a first bolt and a washer at intervals. The base, the electrode module base plate, the first bolt and the washer are all made of plastic.
[0010] In one embodiment, at least two first sealing rings are spaced apart on the outer circumferential surface of the base to seal the gap between the base and the inner wall of the beaker.
[0011] In one embodiment, a conduit made of plastic material is provided in the sampling port and the vent, and the conduit is sealed to the sampling port and the vent, respectively.
[0012] In one embodiment, the three fixing plates are connected by a second bolt, which includes a second screw and a second nut. One end of the second screw passes through the three fixing plates in sequence and is screwed to the second nut. The fixing plates, the second screw, and the second nut are all made of metal.
[0013] In one embodiment, notches are provided on the inner edges of the lower ends of the two outer fixing plates and the front and rear edges of the lower ends of the middle fixing plate, and the upper ends of the two anode plates are clamped in the notches on the two adjacent fixing plates at intervals.
[0014] In one embodiment, the lower ends of the three cathode plates are respectively provided with through holes. The first bolt includes a first screw and a first nut. One end of the first screw passes through the through holes on the three cathode plates in sequence and is screwed to the first nut. Two gaskets are respectively fitted on the first screw located in the middle part of two adjacent cathode plates. The lower end of any anode plate is clamped between the two gaskets located in the middle of two adjacent cathode plates.
[0015] In one embodiment, a second sealing ring is provided between the magnetic stirrer and the mixing tank, a water receiving box is provided on the right side of the mixing tank, and a top cover is provided on the top of the beaker.
[0016] In one embodiment, the top of the chassis is provided with a handle, and ventilation holes are provided on the left side wall and the rear side wall of the chassis, respectively.
[0017] In one embodiment, a groove is provided at the corner of the right front end of the chassis, and one side of the mixing tank is embedded in the groove.
[0018] Compared with the prior art, the boron-doped diamond electrocatalytic oxidation pilot device provided by this utility model adopts an integrated structure, which integrates the boron-doped diamond beaker module, power supply and stirrer into one unique structure. It has the advantages of small product size, light weight and easy portability, while meeting the functional requirements of pilot device. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the main structure of this utility model;
[0020] Figure 2 This is a schematic diagram of the right-side structure of this utility model;
[0021] Figure 3 This is a schematic diagram of the rear view structure of this utility model;
[0022] Figure 4 This is a partial three-dimensional structural schematic diagram of the present invention;
[0023] Figure 5 This is a partial three-dimensional structural diagram of the boron-doped diamond electrode module in this utility model;
[0024] Figure 6 This is a schematic diagram of the connection structure between the cathode plate and the anode plate in this utility model. Detailed Implementation
[0025] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0027] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0028] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0029] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0030] like Figure 1-6 As shown, for ease of description, the orientation references of "up", "down", "left", "right", "front" and "rear" in this utility model are attached. Figure 1 The directions shown are accurate;
[0031] A pilot-scale device for boron-doped diamond electrocatalytic oxidation includes a casing 1. A power display panel 2 is embedded in the front wall of the casing 1, and the power display panel 2 is equipped with a current adjustment knob 3, a voltage adjustment knob 4, and a power output button 5. A junction box 6 is embedded in the rear wall of the casing 1, and a positive terminal 7 and a negative terminal 8 are embedded in the front wall of the junction box 6. A stirring tank 9 is located at the corner of the right front end of the casing 1. A magnetic stirrer is installed inside the stirring tank 9, and a beaker 10 is installed on top of the magnetic stirrer. A boron-doped diamond electrode module 11 is installed on top of the beaker 10. The boron-doped diamond electrode module 11 is used for treating organic wastewater. Electrochemical purification is performed on a boron-doped diamond electrode module 11, which is equipped with an anode connection hole 12 and a cathode connection post 13. One end of the positive terminal post 7 is connected to the positive terminal of an external power supply via a wire, and the other end is connected to the positive input terminal of the power display board 2 via a wire. The positive output terminal of the power display board 2 is connected to the anode connection hole 12 via a wire. One end of the negative terminal post 8 is connected to the negative terminal of an external power supply via a wire, and the other end is connected to the negative input terminal of the power display board 2 via a wire. The negative output terminal of the power display board 2 is connected to the cathode connection post 13 via a wire. A sampling port and an exhaust port are provided on the top of the boron-doped diamond electrode module 11.
[0032] In this embodiment, the boron-doped diamond electrode module 11 includes a base 1101 that covers the upper end of the beaker 10. The base 1101 is provided with an electrode module base plate mounting hole, a sampling port, and an exhaust port. An electrode module base plate 1102 is embedded in the electrode module base plate mounting hole. Three cathode plates 1103 and two anode plates 1104 are vertically arranged below the electrode module base plate 1102, and the cathode plates 1103 and anode plates 1104 are arranged alternately. Connecting plates 1105 are respectively provided at both ends of the top of the three cathode plates 1103. Two connecting plates 1105 are simultaneously connected to the top of the three cathode plates 1103, and gaps are provided between the two connecting plates 1105 and the anode plates 1104. Cathode terminals 13 are respectively provided at the top of the two connecting plates 1105, and the upper ends of the two cathode terminals 13 penetrate upward through the electrode module base plate 1102.
[0033] Three fixing plates 1106 are provided on the electrode module base plate 1102 located between the two cathode terminals 13. The upper ends of the two anode plates 1104 extend upward through the electrode module base plate 1102 and are clamped between the two adjacent fixing plates 1106 at intervals. An anode wiring hole 12 is provided on the top of the middle fixing plate 1106.
[0034] The lower ends of the three cathode plates 1103 and the two anode plates 1104 are connected and fixed at intervals by the first bolt 1107 and the washer 1108. The base 1101, the electrode module base plate 1102, the first bolt 1107 and the washer 1108 are all made of plastic.
[0035] In this embodiment, at least two first sealing rings are spaced apart on the outer circumferential surface of the base 1101 to seal the gap between the base and the inner wall of the beaker 10, so as to ensure the sealing of the reaction environment inside the beaker 10 and improve the efficiency of the reaction.
[0036] In this embodiment, a conduit 14 made of plastic material is provided in the sampling port and the venting port respectively, and the conduit 14 is sealed to the sampling port and the venting port respectively.
[0037] In this embodiment, the three fixing plates 1106 are connected by a second bolt 1109. The second bolt 1109 includes a second screw and a second nut. One end of the second screw passes through the three fixing plates 1106 in sequence and is screwed to the second nut. The fixing plates 1106, the second screw and the second nut are made of metal materials.
[0038] In this embodiment, notches are provided on the inner edges of the lower ends of the two outer fixing plates 1106 and the front and rear edges of the lower ends of the middle fixing plate 1106. The upper ends of the two anode plates 1104 are clamped in the notches on the two adjacent fixing plates 1106 at intervals to achieve the connection and fixation of the anode plates 1104.
[0039] In this embodiment, the lower ends of the three cathode plates 1103 are respectively provided with through holes. The first bolt 1107 includes a first screw and a first nut. One end of the first screw passes through the through holes on the three cathode plates 1103 in sequence and is screwed to the first nut. Two washers 1108 are respectively fitted on the first screw located in the middle part of two adjacent cathode plates 1103. The lower end of any anode plate 1104 is clamped between the two washers 1108 located in the middle of two adjacent cathode plates 1103, thereby fixing the anode plate 1104 and also realizing the connection between the cathode plate 1103 and the anode plate 1104.
[0040] In this embodiment, a second sealing ring is provided between the magnetic stirrer and the mixing tank 9 to prevent foreign objects from entering through the gap between them and contaminating the magnetic stirrer. A water collection box 15 is provided on the right side of the mixing tank 9. By providing the water collection box 15, the liquid overflowing from the beaker 10 can be collected. A top cover 16 is provided on the top of the beaker 10. The top cover 16 is mainly used to shield and protect the internal components.
[0041] In this embodiment, a handle 17 is provided on the top of the chassis 1 to facilitate the movement and transportation of the entire device, effectively improving the ease of use of the entire device. Ventilation holes are provided on the left side wall and the rear side wall of the chassis 1 to facilitate the dissipation of heat inside the chassis 1 to the outside of the chassis 1.
[0042] In this embodiment, a groove is provided at the corner of the right front end of the casing 1, and one side of the mixing tank 9 is embedded in the groove. This makes the connection between the casing 1 and the mixing tank 9 more compact, effectively reducing the volume of the entire device. This not only improves the ease of use of the device, but also enhances the aesthetics of the entire device.
[0043] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0044] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A small scale device for electrocatalytic oxidation of boron-doped diamond, characterized by, The system includes a chassis. A power display panel is embedded in the front wall of the chassis, and the power display panel includes a current adjustment knob, a voltage adjustment knob, and a power output button. A junction box is embedded in the rear wall of the chassis, and a positive and negative terminal are embedded in the front wall of the junction box. A stirring tank is located at the right front corner of the chassis. A magnetic stirrer is installed inside the stirring tank, and a beaker is placed on top of the magnetic stirrer. A boron-doped diamond electrode module is placed on top of the beaker, and an anode terminal is provided on the boron-doped diamond electrode module. The boron-doped diamond electrode module has a wire hole and a cathode terminal. One end of the positive terminal is connected to the positive terminal of an external power source via a wire, and the other end is connected to the positive input terminal of the power display board via a wire. The positive output terminal of the power display board is connected to the anode terminal hole via a wire. One end of the negative terminal is connected to the negative terminal of an external power source via a wire, and the other end is connected to the negative input terminal of the power display board via a wire. The negative output terminal of the power display board is connected to the cathode terminal via a wire. The top of the boron-doped diamond electrode module is provided with a sampling port and an exhaust port.
2. A boron-doped diamond electro-catalytic oxidation pilot plant according to claim 1, characterized in that, The boron-doped diamond electrode module includes a base that covers the upper part of the beaker. The base has mounting holes for the electrode module base plate, a sampling port, and an exhaust port. The electrode module base plate is embedded within the mounting holes. Three cathode plates and two anode plates are vertically arranged below the electrode module base plate, with the cathode and anode plates alternating. Connecting plates are located at both ends of the top of each of the three cathode plates. Two connecting plates are simultaneously connected to the top of each of the three cathode plates, with gaps between each connecting plate and the anode plate. Cathode terminals are located at the top of each of the two connecting plates, with the upper ends of the two cathode terminals extending upwards through the electrode module base plate. Three fixing plates are provided on the electrode module base plate located between the two cathode terminals. The upper ends of the two anode plates extend upward through the electrode module base plate and are clamped between two adjacent fixing plates at intervals. The anode wiring hole is provided on the top of the middle fixing plate. The lower ends of the three cathode plates and the two anode plates are fixed together by a first bolt and a washer at intervals. The base, the electrode module base plate, the first bolt and the washer are all made of plastic.
3. A boron-doped diamond electro-catalytic oxidation pilot plant according to claim 2, characterized in that, At least two first sealing rings are spaced apart on the outer circumference of the base to seal the gap between the base and the inner wall of the beaker.
4. A boron-doped diamond electro-catalytic oxidation pilot plant according to claim 2, characterized in that, The sampling port and the vent are respectively provided with conduits made of plastic material, and the conduits are sealed to the sampling port and the vent respectively.
5. A boron-doped diamond electro-catalytic oxidation pilot plant according to claim 2, characterized in that, The three fixing plates are connected by a second bolt, which includes a second screw and a second nut. One end of the second screw passes through the three fixing plates in sequence and is screwed to the second nut. The fixing plates, the second screw, and the second nut are all made of metal.
6. A boron-doped diamond electro-catalytic oxidation pilot plant according to claim 5, characterized in that, Notches are provided on the inner edges of the lower ends of the two outer fixing plates and the front and rear edges of the lower ends of the middle fixing plate, and the upper ends of the two anode plates are clamped in the notches on the two adjacent fixing plates at intervals.
7. A boron-doped diamond electro-catalytic oxidation pilot plant according to claim 6, characterized in that, The lower ends of the three cathode plates are respectively provided with through holes. The first bolt includes a first screw and a first nut. One end of the first screw passes through the through holes on the three cathode plates in sequence and is screwed to the first nut. Two gaskets are respectively fitted on the first screw located in the middle part of two adjacent cathode plates. The lower end of any anode plate is clamped between the two gaskets located in the middle of two adjacent cathode plates.
8. A boron-doped diamond electro-catalytic oxidation pilot plant according to claim 2, characterized in that, A second sealing ring is provided between the magnetic stirrer and the mixing tank, a water receiving box is provided on the right side of the mixing tank, and a top cover is provided on the top of the beaker.
9. A boron-doped diamond electro-catalytic oxidation pilot plant according to claim 1, characterized in that, The top of the chassis is equipped with a handle, and ventilation holes are provided on the left and rear side walls of the chassis.
10. A boron-doped diamond electro-catalytic oxidation pilot plant according to claim 1, characterized in that, A groove is provided at the right front corner of the chassis, and one side of the mixing tank is embedded in the groove.